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Titolo:
COLLISION TUMORS OF THE ADRENAL-GLAND - DEMONSTRATION AND CHARACTERIZATION AT MR-IMAGING
Autore:
SCHWARTZ LH; MACARI M; HUVOS AG; PANICEK DM;
Indirizzi:
MEM SLOAN KETTERING CANC CTR,DEPT RADIOL,1275 YORK AVE NEW YORK NY 10021 MEM SLOAN KETTERING CANC CTR,DEPT PATHOL NEW YORK NY 10021
Titolo Testata:
Radiology
fascicolo: 3, volume: 201, anno: 1996,
pagine: 757 - 760
SICI:
0033-8419(1996)201:3<757:CTOTA->2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
SQUAMOUS-CELL CARCINOMA; ADENOCARCINOMA; MALIGNANCY; METASTASES; DIAGNOSIS; LEIOMYOMA; ESOPHAGUS; MASSES;
Keywords:
ADRENAL GLAND, ABNORMALITIES; ADRENAL GLAND, MR; ADRENAL GLAND, NEOPLASMS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
19
Recensione:
Indirizzi per estratti:
Citazione:
L.H. Schwartz et al., "COLLISION TUMORS OF THE ADRENAL-GLAND - DEMONSTRATION AND CHARACTERIZATION AT MR-IMAGING", Radiology, 201(3), 1996, pp. 757-760

Abstract

PURPOSE: To evaluate the magnetic resonance (MR) imaging findings in collision tumors of the adrenal gland. MATERIALS AND METHODS: MR images obtained in 104 patients with a known primary malignant tumor and anadrenal mass were reviewed to find adrenal glands that contained two contiguous but histologically distinct masses. The findings in such cases were correlated with histopathologic findings. RESULTS: In two (2%) cases, both MR and histopathologic findings showed a mass within theadrenal gland that consisted of contiguous adrenal adenoma and metastasis, which represented a collision tumor. The adenomatous component in each tumor showed a (quantitative) decrease in signal intensity relative to that of the liver (79% and 61%) on opposed-phase images, whereas the metastatic component showed an increase in signal intensity (50% and 15%). Similarly, the adrenal lesion-to-spleen signal intensity ratio on opposed-phase images was lower for the adenomatous component in each (0.39 and 0.43) than for the metastatic component (1.17 and 0.90). CONCLUSION: MR imaging can demonstrate and enable characterizationof the separate components of collision tumors within the adrenal gland. These findings can be crucial in planning and guiding subsequent percutaneous needle biopsy and patient care.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/09/20 alle ore 15:38:51